doc: add phillipj to the team

PR-URL: #455
Reviewed-By: Johan Bergström <johan@bergstroem.nu>
Reviewed-By: Michael Dawson <mhdawson@ca.ibm.com>
Reviewed-By: João Reis <reis@janeasystems.com>
Reviewed-By: Hans Kristian Flaatten <hans.kristian.flaatten@dnt.no>

Author: phillipj

README.md

@@ -98,3 +98,4 @@ People
 * Myles Borins [@thealphanerd](https://github.com/thealphanerd)
 * Ryan Graham [@rmg](https://github.com/rmg)
 * Imran Iqbal [@iWuzHere](https://github.com/iWuzHere)
+* Phillip Johnsen [@phillipj](https://github.com/phillipj)